MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec353497dd483fa81cc2eaf53fe08bf4750420dea3b49bcf3edb14da977961af. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 13


Intelligence 13 IOCs YARA 18 File information Comments

SHA256 hash: ec353497dd483fa81cc2eaf53fe08bf4750420dea3b49bcf3edb14da977961af
SHA3-384 hash: 2913b6d39a393c142c94ef701ffc1c65111c8920dffdf579a43b166b98baa032b931c27b92521194f79a415afe9a933f
SHA1 hash: 1bb9d2d99426a7f520fe2d2d9409d6e6a5b36e72
MD5 hash: c1fd94a95ea5bed269cbb13f9c5d2d8a
humanhash: leopard-idaho-social-asparagus
File name:Fiyat teklifi. TEKNIKSATMETAL İNŞ A,s. 3052024 08.05.2024 Sip PO-00901 .exe
Download: download sample
Signature AgentTesla
File size:683'008 bytes
First seen:2024-05-08 07:42:14 UTC
Last seen:2024-05-08 08:31:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:FiETpbp7qJIPcYDElu2/boyy/7YjOghsR0MdFSN4uVSFfLAFZS2hKD/7TZ:lbp7XcKEc2/Jy/7IsRJ/SN/SifhKDfZ
Threatray 1'465 similar samples on MalwareBazaar
TLSH T188E42311F81E4F74D6B1CFF59D1445846BB2C66E2072EF656E8220CAA7503E05AF2FA3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
315
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
ec353497dd483fa81cc2eaf53fe08bf4750420dea3b49bcf3edb14da977961af.exe
Verdict:
Malicious activity
Analysis date:
2024-05-08 09:53:12 UTC
Tags:
smtp stealer agenttesla exfiltration

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Adding an exclusion to Microsoft Defender
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438100 Sample: Fiyat teklifi. TEKNIKSATMET... Startdate: 08/05/2024 Architecture: WINDOWS Score: 100 32 mail.deeptrans.com.tr 2->32 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 14 other signatures 2->52 8 Fiyat teklifi. TEKNIKSATMETAL #U0130N#U015e A,s. 3052024 08.05.2024 Sip PO-00901 .exe 4 2->8         started        11 ctsdvwT.exe 3 2->11         started        13 ctsdvwT.exe 2 2->13         started        signatures3 process4 signatures5 54 Adds a directory exclusion to Windows Defender 8->54 56 Injects a PE file into a foreign processes 8->56 15 Fiyat teklifi. TEKNIKSATMETAL #U0130N#U015e A,s. 3052024 08.05.2024 Sip PO-00901 .exe 1 5 8->15         started        20 powershell.exe 23 8->20         started        58 Antivirus detection for dropped file 11->58 60 Multi AV Scanner detection for dropped file 11->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->62 64 Machine Learning detection for dropped file 11->64 22 ctsdvwT.exe 2 11->22         started        24 ctsdvwT.exe 13->24         started        process6 dnsIp7 34 mail.deeptrans.com.tr 93.89.226.88, 49707, 49710, 49719 TR-FBSTR Turkey 15->34 28 C:\Users\user\AppData\Roaming\...\ctsdvwT.exe, PE32 15->28 dropped 30 C:\Users\user\...\ctsdvwT.exe:Zone.Identifier, ASCII 15->30 dropped 36 Tries to steal Mail credentials (via file / registry access) 15->36 38 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->38 40 Installs a global keyboard hook 15->40 42 Loading BitLocker PowerShell Module 20->42 26 conhost.exe 20->26         started        44 Tries to harvest and steal browser information (history, passwords, etc) 24->44 file8 signatures9 process10
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-05-08 07:43:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
0c37d32db11711375379d4622e5231c70a76f69eb0e6a26edd60994e7018b01f
MD5 hash:
746061e0a9e1c324a598a986b7feb64a
SHA1 hash:
a615fa9ed1b18faf2a4e0f0a2180a81bc66a9a9b
SH256 hash:
0c655998681c5a39276877c692cc4fdb2859a07aa9bb2b8016676162b379a6ee
MD5 hash:
1af84b987d9fe65f853158789d3597fd
SHA1 hash:
9ce5b65726470d11440a6d8e8fff0692b429998d
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
SH256 hash:
b61b329b3b25811b2848bf1bdce8a1ade665d37f651fbd5ba81db24645e40ffa
MD5 hash:
8b623647bfa41d6abdb48b28ef4d2a26
SHA1 hash:
1f0a34efe7de31997e5b624684fa895fb8bea41d
SH256 hash:
ec353497dd483fa81cc2eaf53fe08bf4750420dea3b49bcf3edb14da977961af
MD5 hash:
c1fd94a95ea5bed269cbb13f9c5d2d8a
SHA1 hash:
1bb9d2d99426a7f520fe2d2d9409d6e6a5b36e72
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments